Home / 805,009,056.42-1,207,540,488.95-222,694,538.09

Finding the Fourth Proportional to 805,009,056.42, 1,207,540,488.95 and 222,694,538.09

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Solution

The fourth proportional to 805,009,056.42, 1,207,540,488.95 and 222,694,538.09 is: 334,049,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,009,056.42 : 1,207,540,488.95 = 222,694,538.09 : x
  2. Step 2: Convert to fraction form
    805,009,056.42/1,207,540,488.95 = 222,694,538.09/x
  3. Step 3: Cross multiply
    805,009,056.42x = 1,207,540,488.95 × 222,694,538.09
  4. Step 4: Simplify right side
    805,009,056.42x = 268,912,671,404,541,824
  5. Step 5: Solve for x
    x = 268,912,671,404,541,824/805,009,056.42
  6. Step 6: Final answer
    x = 334,049,249.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.